Learning objective
Describe Doppler shift for waves from moving sources.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Cosmology
Subtopic
Doppler effect
Aqa A Level PhysicsAstrophysics
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Quick explanation
Describe Doppler shift for waves from moving sources
- This point belongs to Cosmology, especially Doppler effect.
- You need to be able to describe Doppler shift for waves from moving sources.
- The key ideas to know are waves, doppler, and shift.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
wavesdopplershiftmovingfrom
Why it matters
This objective helps connect Doppler effect to exam-style questions, flashcards, and revision notes for Cosmology.
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Open revision notesRelated learning objectives
- Explain redshift in astronomical spectra.
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- Use redshift qualitatively to infer recession.
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- Distinguish Doppler redshift from other wave effects.
Doppler effect
- State and apply Hubble's law.
Hubble's law
- Interpret velocity-distance graphs.
Hubble's law
